Home / 30,340.99-45,480.24-11,615.92

Finding the Fourth Proportional to 30,340.99, 45,480.24 and 11,615.92

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Solution

The fourth proportional to 30,340.99, 45,480.24 and 11,615.92 is: 17,411.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,340.99 : 45,480.24 = 11,615.92 : x
  2. Step 2: Convert to fraction form
    30,340.99/45,480.24 = 11,615.92/x
  3. Step 3: Cross multiply
    30,340.99x = 45,480.24 × 11,615.92
  4. Step 4: Simplify right side
    30,340.99x = 528,294,829.42
  5. Step 5: Solve for x
    x = 528,294,829.42/30,340.99
  6. Step 6: Final answer
    x = 17,411.92

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.